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Connect preamp signal cables from headunit to RCA input.
Indicates amplifier status (power, protection, faults) via LEDs.
Matches headunit output voltage to amplifier input section.
Controls high pass point to eliminate extreme low frequencies.
Controls bass boost level.
For connecting turn-down remote level control.
Controls low pass point for speaker outputs.
Links two amplifiers for double output power at 2 ohm.
Connects amplifiers to speakers; minimum 12 gauge cable.
Connects to the negative or ground cables of the vehicle.
Connects to the positive terminal of the battery.
Connects to switched +12V from head unit.
Connects amplifiers to speakers; minimum 12 gauge cable.
Connect preamp signal cables from headunit to RCA input.
Has line outputs to another amplifier.
Indicates amplifier status (power, protection, faults) via LEDs.
Matches headunit output voltage to amplifier input section.
Controls high pass frequency for speaker output.
Selects crossover type (High pass, Full, Low pass, band pass).
Controls low pass frequency for speaker output.
Controls bass boost level.
For connecting turn-down remote level control.
Connects to the negative or ground cables of the vehicle.
Connects to switched +12V from headunit.
Connects to the positive terminal of the battery.
Fuses protect amplifiers from electrical damages.
Connects amplifiers to speakers; minimum 12 gauge cable.
Connects power cables to +12V terminal; external fuses needed for some models.
Locate secure grounding connection close to amplifier.
Run a remote turn on cable from switched +12V source.
Read owner's manual and follow installation steps carefully.
Disconnect battery, check grounds, consider cooling and safety.
Find a dry, ventilated location with good heatsink fin orientation and airflow.
Connects master and slave amplifiers' RCA jacks and sets switches.
Connects speaker cables from master and slave amps to subwoofer.
Connects Q2-200 to speakers in 1-channel mode.
Connects Q2-200 to speakers in 2-channel mode.
Connects Q2-200 to speakers in 3-channel mode.
Connects Q4-90/Q4-120 to speakers in 2-channel mode.
Connects Q4-90/Q4-120 to speakers in 3-channel mode.
Connects Q4-90/Q4-120 to speakers in 4-channel mode.
Connects Q4-90/Q4-120 to speakers in 5-channel mode.
Troubleshooting steps for amplifiers with no sound output.
Explains amplifier shutdown and protection circuit triggers.
Troubleshooting steps for unwanted noise in the audio output.
Troubleshooting steps for inadequate bass performance.
General| Channels | 4 |
|---|---|
| RMS Power @ 4 Ohms | 90W x 4 |
| Frequency Response | 20Hz - 20kHz |
| Signal to Noise Ratio | >90dB |
| THD | <0.05% |
| Input Sensitivity | 200mV - 6V |
| Crossover Frequency | 50Hz - 500Hz |
| Bass Boost | 0 - 12dB |
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